find string in string

public static boolean findString(byte[] in, byte[] find) {
        boolean done = false;
        for(int i = 0; i < in.length; i++) {
            if(in[i] == find[0]) {
                for(int ii = 1; ii < find.length; i++) {
                    if(in[i+ii] != find[ii]) break;
                    else if(ii==find.length-1) done = true;
                }
            }
        }
        return done;
    }